Home / 26,122.08-39,189.60-7,654.08

Finding the Fourth Proportional to 26,122.08, 39,189.60 and 7,654.08

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Solution

The fourth proportional to 26,122.08, 39,189.60 and 7,654.08 is: 11,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.08 : 39,189.60 = 7,654.08 : x
  2. Step 2: Convert to fraction form
    26,122.08/39,189.60 = 7,654.08/x
  3. Step 3: Cross multiply
    26,122.08x = 39,189.60 × 7,654.08
  4. Step 4: Simplify right side
    26,122.08x = 299,960,333.57
  5. Step 5: Solve for x
    x = 299,960,333.57/26,122.08
  6. Step 6: Final answer
    x = 11,483.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.